The projective class ring of half-quantum groups at roots of unity

Claude Cibils

arxiv: math/9802060 · v1 · submitted 1998-02-12 · 🧮 math.QA · math.KT

The projective class ring of half-quantum groups at roots of unity

Claude Cibils This is my paper

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keywords projectiveringalgebrasbasicclasscompositiondescribedetermined

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We describe the structure of the Grothendieck ring of projective modules of basic Hopf algebras using a positive integer determined by the composition series of the principal indecomposable projective module.

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The projective class ring of half-quantum groups at roots of unity

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